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  1. import sys
  2.  
  3. (lastKey, sum) = (None, 0)
  4.  
  5. for line in sys.stdin:
  6.   (key, value) = line.strip().split("\t")
  7.   if lastKey and lastKey != key:
  8.     print (lastKey + '\t' + str(sum))
  9.     (lastKey, sum) = (key, int(value))
  10.   else:
  11.     (lastKey, sum) = (key, sum + int(value))
  12.  
  13. if lastKey:
  14.   print (lastKey + '\t' + str(sum))
  15.  
Success #stdin #stdout 0.02s 9184KB
comments (?)
stdin
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Vivere est cogitare	1
Vivere militate est	1
Scientia potentia est	1
stdout
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Vivere est cogitare	1
Vivere militate est	1
Scientia potentia est	1
https://ideone.com/YzpiVV
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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